v. Obs. Also 56 subtrahe, 6 -trah. [f. imper. sing. subtrahe or stem subtrah- of L. subtrahĕre to SUBTRACT. Cf. SUBSTRA.] To subtract (trans. and intr.).
c. 1425. Crafte Nombrynge (E.E.T.S.), 13. Here he teches þe Craft how þou schalt know, whan þou hast subtrayd, wheþer þou hast wel ydo or no.
c. 1430. Art Nombryng (E.E.T.S.), 16. And so forthe subtrahe fro the totalle nombre in respect of þe digit.
1477. Norton, Ord. Alch., v. in Ashm. (1652), 81. Your Liquors be ordained to add and subtray, To make equalitie by wisdome of assay.
1549. Chaloner, Erasm. on Folly, G ij. From howe many euilles I haue subtraied these my selie paches.
1579. Digges, Stratiot., I. xv. 26. The last Fraction being lesse then 3/4 enforceth you to Subtrahe one out of 4.
1588. J. Mellis, Briefe Instr., D viij. To make the summes equall, gather the total hereof and subtray it from the totall summe of your creditor opposite.